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General Information 100-00-5 100-00-5 DESCRIPTION AND OPERATION Trustmark Authoring Standards (TAS) Procedures NOTE: TAS style procedures can be identified by steps that have no accompanying step text and the magenta color of the electrical connectors and fasteners such as nuts, bolts, clamps or clips. A TAS removal and installation procedure uses a sequence of color illustrations to indicate the order to be followed when removing/disassembling or installing/assembling a component. Types of self-locking nuts and bolts NOTE: There are more types of self-locking fasteners available than shown in following illustration. 1 2 4 5 E126782 Item Description 1 Completely coated self-locking bolt 2 Partially coated self-locking bolt 3 Self-locking bolt with a locking washer 4 Self-locking nut with a plastic locking insert 5 Self-locking nut with thread deformation (3 dents) 6 Self-locking nut with thread deformation (squeeze of thread to oval shape) 7 Self-locking nut with integrated locking ring Many of the TAS procedures will have the installation information within the removal steps. These procedures will have the following note at the beginning of the procedure: NOTE: Removal steps in this procedure may contain installation details. Reuse of fasteners and seals and gaskets The following list details the general policy for the reuse of fasteners and seals and gaskets. 3 6 7 ‡ All types of seals and gaskets must be discarded and new seals and gaskets installed unless otherwise stated within the procedure. ‡ Nuts and bolts with a chemical coating for locking and/or sealing and/or antiseize must be discarded unless the procedure advises to reapply the coating with a specified material. ‡ Nuts and bolts with a mechanical locking such as thread inserts, thread deformation or locking washers must be discarded and new nuts and bolts installed unless otherwise stated within the procedure. ‡ Torque to yield bolts must be discarded and new torque to yield bolts installed unless